Optimize HardwareVideoDecoder by doing all frame conversions in C++.

webrtc/sdk/android/BUILD.gn

 # Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../../webrtc.gni")
 import("//build/config/android/config.gni")
@@ skipping 79 matching lines @@
     "src/jni/androidmediadecoder_jni.cc",
     "src/jni/androidmediadecoder_jni.h",
     "src/jni/androidmediaencoder_jni.cc",
     "src/jni/androidmediaencoder_jni.h",
     "src/jni/androidvideotracksource.cc",
     "src/jni/androidvideotracksource.h",
     "src/jni/androidvideotracksource_jni.cc",
     "src/jni/filevideocapturer_jni.cc",
     "src/jni/native_handle_impl.cc",
     "src/jni/native_handle_impl.h",
+    "src/jni/nv12buffer_jni.cc",
     "src/jni/pc/video_jni.cc",
     "src/jni/surfacetexturehelper_jni.cc",
     "src/jni/surfacetexturehelper_jni.h",
     "src/jni/video_renderer_jni.cc",
     "src/jni/videodecoderfactorywrapper.cc",
     "src/jni/videodecoderfactorywrapper.h",
     "src/jni/videodecoderwrapper.cc",
     "src/jni/videodecoderwrapper.h",
     "src/jni/videofilerenderer_jni.cc",
     "src/jni/videoframe_jni.cc",
@@ skipping 319 matching lines @@
     "src/java/org/webrtc/CameraSession.java",
     "src/java/org/webrtc/DynamicBitrateAdjuster.java",
     "src/java/org/webrtc/EglBase10.java",
     "src/java/org/webrtc/EglBase14.java",
     "src/java/org/webrtc/FramerateBitrateAdjuster.java",
     "src/java/org/webrtc/HardwareVideoDecoder.java",
     "src/java/org/webrtc/HardwareVideoEncoder.java",
     "src/java/org/webrtc/Histogram.java",
     "src/java/org/webrtc/I420BufferImpl.java",
     "src/java/org/webrtc/MediaCodecUtils.java",
+    "src/java/org/webrtc/NV12Buffer.java",
     "src/java/org/webrtc/TextureBufferImpl.java",
     "src/java/org/webrtc/VideoCodecType.java",
     "src/java/org/webrtc/VideoDecoderWrapperCallback.java",
     "src/java/org/webrtc/WrappedNativeI420Buffer.java",
     "src/java/org/webrtc/YuvConverter.java",
   ]
 
   deps = [
     "../../modules/audio_device:audio_device_java",
     "../../rtc_base:base_java",
@@ skipping 44 matching lines @@
       "//base:base_java",
       "//base:base_java_test_support",
       "//third_party/android_support_test_runner:rules_java",
       "//third_party/android_support_test_runner:runner_java",
       "//third_party/junit",
     ]
 
     shared_libraries = [ "../../sdk/android:libjingle_peerconnection_so" ]
   }
 }